21090240540
21,090,240,540 is an even composite number composed of six prime numbers multiplied together.
21090240540 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21090240540:
22 × 34 × 5 × 19 × 23 × 313
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 19 × 23 × 31 × 31 × 31)See below for interesting mathematical facts about the number 21090240540 from the Numbermatics database.
Names of 21090240540
- Cardinal: 21090240540 can be written as Twenty-one billion, ninety million, two hundred forty thousand, five hundred forty.
Scientific notation
- Scientific notation: 2.109024054 × 1010
Factors of 21090240540
Divisors of 21090240540
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 23 27 30 31 36 38 45 46 54 57 60 62 69 76 81 90 92 93 95 108 114 115 124 135 138 155 162 171 180 186 190 207 228 230 270 276 279 285 310 324 342 345 372 380 405 414 437 460 465 513 540 558 570 589 620 621 684 690 713 810 828 837 855 874 930 961 1026 1035 1116 1140 1178 1242 1311 1380 1395 1426 1539 1620 1674 1710 1748 1767 1860 1863 1922 2052 2070 2139 2185 2356 2484 2511 2565 2622 2790 2852 2883 2945 3078 3105 3348 3420 3534 3565 3726 3844 3933 4140 4185 4278 4370 4805 5022 5130 5244 5301 5580 5766 5890 6156 6210 6417 6555 7068 7130 7452 7695 7866 8370 8556 8649 8740 8835 9315 9610 10044 10260 10602 10695 11532 11780 11799 12420 12555 12834 13110 13547 14260 14415 15390 15732 15903 16740 17298 17670 18259 18630 19220 19251 19665 21204 21390 22103 23598 25110 25668 25947 26220 26505 27094 28830 29791 30780 31806 32085 34596 35340 35397 36518 37260 38502 39330 40641 42780 43245 44206 47196 47709 50220 51894 53010 54188 54777 57660 57753 58995 59582 63612 64170 66309 67735 70794 73036 77004 77841 78660 79515 81282 86490 88412 89373 91295 95418 96255 103788 106020 109554 110515 115506 117990 119164 121923 128340 129735 132618 135470 141588 148955 155682 159030 162564 164331 172980 176985 178746 182590 190836 192510 198927 203205 219108 221030 231012 235980 238545 243846 259470 265236 268119 270940 273885 288765 297910 311364 318060 328662 331545 353970 357492 365180 365769 385020 389205 397854 406410 419957 442060 446865 477090 487692 492993 518940 536238 547770 566029 577530 595820 596781 609615 657324 663090 685193 707940 731538 778410 795708 804357 812820 821655 839914 893730 954180 985986 994635 1072476 1095540 1097307 1132058 1155060 1193562 1219230 1259871 1326180 1340595 1370386 1463076 1478979 1556820 1608714 1643310 1679828 1698087 1787460 1790343 1828845 1971972 1989270 2055579 2099785 2194614 2264116 2387124 2413071 2438460 2464965 2519742 2681190 2740772 2830145 2957958 2983905 3217428 3286620 3396174 3425965 3580686 3657690 3779613 3978540 4021785 4111158 4199570 4389228 4826142 4929930 5039484 5094261 5362380 5486535 5660290 5915916 5967810 6166737 6299355 6792348 6851930 7161372 7315380 7394895 7559226 8043570 8222316 8399140 8490435 8951715 9652284 9859860 10188522 10277895 10973070 11320580 11338839 11935620 12065355 12333474 12598710 13018667 13703860 14789790 15118452 15282783 16087140 16980870 17903430 18500211 18898065 20377044 20555790 21946140 22677678 24130710 24666948 25197420 25471305 26037334 29579580 30565566 30833685 33961740 34016517 35806860 37000422 37796130 39056001 41111580 45355356 45848349 48261420 50942610 52074668 55500633 56694195 61131132 61667370 65093335 68033034 74000844 75592260 76413915 78112002 91696698 92501055 101885220 111001266 113388390 117168003 123334740 130186670 136066068 152827830 156224004 170082585 183393396 185002110 195280005 222002532 226776780 229241745 234336006 260373340 277503165 305655660 340165170 351504009 370004220 390560010 458483490 468672012 555006330 585840015 680330340 703008018 781120020 916966980 1054512027 1110012660 1171680030 1406016036 1757520045 2109024054 2343360060 3515040090 4218048108 5272560135 7030080180 10545120270 21090240540
- Sum of all divisors σ(n): 75093258240
- Sum of proper divisors (its aliquot sum) s(n): 54003017700
- 21090240540 is an abundant number, because the sum of its proper divisors (54003017700) is greater than itself. Its abundance is 32912777160
Bases of 21090240540
- Binary: 100111010010001001110001000000111002
- Hexadecimal: 0x4E913881C
- Base-36: 9OSL1R0
Squares and roots of 21090240540
- 21090240540 squared (210902405402) is 444798246035059491600
- 21090240540 cubed (210902405403) is 9380902000649505951054109464000
-
The
square root of 21090240540 is 145224.7931312007 -
The
cube root of 21090240540 is 2762.8703833489
Scales and comparisons
How big is 21090240540?- 21,090,240,540 seconds is equal to 670 years, 31 weeks, 3 days, 9 minutes.
-
To count from 1 to 21,090,240,540 would take you about one thousand, three hundred forty-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21090240540 cubic inches would be around 230.2 feet tall.
Recreational maths with 21090240540
- 21090240540 backwards is 04504209012
- 21090240540 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21090240540's digits is 27
- More coming soon!
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